eFuse ICs

Conventional fuses protect circuits and prevent equipment destruction by fusing the built-in alloy parts by Joule heat when a current exceeding the rated value flows. However, these fuses have disadvantages such as uncertainty of the breaking current, slow fusing time, and the need for replacement work due to destruction by a single overcurrent. Unlike conventional fuses, the eFuse IC (electronic fuse) has a high-speed current interruption function because the built-in MOSFETs are turned off when excessive current flows. In addition, it is not destroyed by a single overcurrent and can be used repeatedly. It is advantageous in that it can incorporate various protection functions such as overvoltage protection. This product is also effective in reducing maintenance costs and recovery time for repairs.

Reference Design

Get Started with Toshiba's eFuse Reference Design

Get started with Toshiba's eFuse reference design

Protect your expensive equipment by designing in a fast and accurate eFuse. Approximately 1 million times quicker than conventional fuses and repeatedly useable, Toshiba's eFuses offer short-circuit protection in 150ns (Typ.). In contrast to conventional fuses, Toshiba's eFuse line-up offers high-performance, high-precision protective functions that are not possible with conventional fuses such as overvoltage clamping, overcurrent clamping, overheat protection, inrush current suppression (slew rate control), reverse current prevention and thermal shutdown. System documentation and safety certification is also easier as Toshiba's eFuses have achieved IEC 62368-1 Safety standard certification.

Lineup

You can narrow down the search for applicable products by selecting specifications.

Operating input voltage VIN (Min) (V)
Operating input voltage VIN (Max) (V)
Operating Output Current IOUT (Max) (A)
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Protection
Width×Length×Height(mm)
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You can narrow down your search for applicable products by package type or number of pins.

unit:

All package dimensions are guaranteed in millimeters as mentioned on datasheet. Package dimension in inches is round to 2 significant digits converted with 1mm=0.0393701inch.

About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

All major protection functions are realized in one package.
Toshiba eFuse ICs incorporate various high-performance, high-precision protective functions that are not feasible with conventional fuses.
All major protection functions are realized in one package

Documents

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Technical topics

Applications

Cordless Cleaner
Such as high efficiency, low power consumption and miniaturization are important in designing cordless cleaner. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, control unit, motor driving units, etc., along with circuit configuration examples.
Action Camera
Such as low power consumption and miniaturization are important in designing action camera. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, RF circuit units, display unit, etc., along with circuit configuration examples.
Electric Shaver
Such as low power consumption and miniaturization are important in designing electric shaver. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, surge voltage protection units, motor driving units, etc., along with circuit configuration examples.
Solid State Drive
Such as low power consumption and miniaturization are important in designing solid state drive (SSD). Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, over temperature monitoring unit, etc., along with circuit configuration examples.
Wireless Earbuds
Such as low power consumption and miniaturization are important in designing wireless earbuds. Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, etc., along with circuit configuration examples.
Tablet Device
Such as low power consumption and miniaturization are important in designing tablet device. Toshiba provides information on a wide range of semiconductor products suitable for power supply management units, sensor signal input units, display units, over temperature monitoring unit, etc., along with circuit configuration examples.
Smart Watch
Such as low power consumption and miniaturization are important in designing smart watch. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, sensor signal input units, display units, etc., along with circuit configuration examples.
Robot Cleaner
Such as high efficiency, low power consumption and miniaturization are important in designing robot cleaner. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, motor driving units, sensor signal input unit, etc., along with circuit configuration examples.
Smart Speaker
Such as low power consumption and miniaturization are important in designing smart speaker. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, sensor signal input unit, display unit, etc., along with circuit configuration examples.
Wireless Charger
Such as low power consumption and miniaturization are important in designing wireless charger. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, inverter circuit unit, etc., along with circuit configuration examples.
Surveillance Camera
Such as low power consumption and miniaturization are important in designing surveillance camera. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, camera motion control units, etc., along with circuit configuration examples.
Cordless Power Tool
Such as low power consumption and miniaturization are important in designing cordless power tools. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, control units, power supply and charge management units, etc., along with circuit configuration examples.
Washing Machine
Such as efficiency of motor driving, low power consumption and miniaturization are important in designing washing machine. Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, motor driving units, control units, sensor signal input units, etc., along with circuit configuration examples.

Reference Design

PCB photo example of Power multiplexer circuit
Power Multiplexer Circuit Using Common-Drain MOSFET
This power multiplexer circuit with 2 inputs and 1 output is realized on a small board. A new power multiplexer circuit usign common-drain MOSFET has been added to the already developed power multiplexer circuit reference design. These reference circuits allow switching between BBM and MBB modes by combining optimal devices such as MOSFET gate driver ICs and zener diodes from our diverse product lineup.
Power multiplexer circuit / 2 input and 1 output

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